NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 681
NH82801GHM S L8YR
Manufacturer Part Number
NH82801GHM S L8YR
Description
Manufacturer
Intel
Datasheet
1.NH82801GHM_S_L8YR.pdf
(848 pages)
Specifications of NH82801GHM S L8YR
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PCI Express* Configuration Registers (Desktop and Mobile Only)
18.1.27
Intel
®
ICH7 Family Datasheet
LCAP—Link Capabilities Register
(PCI Express—D28:F0/F1/F2/F3/F4/F5)
Address Offset: 4Ch
Default Value:
31:24
23:21
19:18
17:15
14:12
11:10
Bit
20
Port Number (PN) — RO. This field indicates the port number for the root port. This
value is different for each implemented port:
Reserved
Link Active Reporting Capable (LARC) — RO. Hardwired to 1 to indicate that this port
supports the optional capability of reporting the DL_Active state of the Data Link
Control and Management State Machine.
Reserved
L1 Exit Latency (EL1) — RO. Set to 010b to indicate an exit latency of 2 µs to 4 µs.
L0s Exit Latency (EL0) — RO. This field indicates as exit latency based upon
common-clock configuration.
NOTE: LCLT.CCC is at D28:F0/F1/F2/F3/F4/F5:50h:bit 6
Active State Link PM Support (APMS) — R/WO. This field indicates what level of
active state link power management is supported on the root port.
LCLT.CCC
Function
D28:F0
D28:F1
D28:F2
D28:F3
D28:F4
D28:F5
Bits
0
1
00b
01b
10b
11b
See bit description
–
4Fh
Definition
Neither L0s nor L1 are supported
L0s Entry Supported
L1 Entry Supported
Both L0s and L1 Entry Supported
Port #
Value of EL0 (these bits)
MPC.UCEL (D28:F0/F1/F2/
MPC.CCEL (D28:F0/F1/F2/
1
2
3
4
5
6
F3:D8h:bits20:18)
F3:D8h:bits17:15)
Value of PN
Field
01h
02h
03h
04h
05h
06h
Description
Attribute:
Size:
R/W, RO
32 bits
681
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